Soran Abdrahman Ahmad, Hemn Unis Ahmed, Serwan Khwrshid Rafiq, Dler Ali Ahmad
Efforts to reduce the weight of buildings and structures, counteract the seismic
threat to human life, and cut down on construction expenses are widespread. A
strategy employed to address these challenges involves the adoption of foam
concrete. Unlike traditional concrete, foam concrete maintains the standard
concrete composition but excludes coarse aggregates, substituting them with a
foam agent.... hiện toàn bộ
Edmund Nana Asare, Michael Affam, Yao Yevenyo Ziggah
AbstractUniaxial compressive strength (UCS) has become a highly essential
strength parameter in the mining, civil and geomechanical industries. Estimating
the exact value of the strength of rock has become a matter of great concern in
real life. Despite this, there have been many works to indirectly/directly
estimate the UCS of rocks. This study introduces a novel stacked generalisation
methodolog... hiện toàn bộ
Tóm tắtKhi các vật liệu khai thác tự nhiên ngày càng hiếm và kinh tế, ngành xây
dựng đã chuyển sang các lựa chọn bền vững như chất thải xây dựng và phá dỡ (C&D)
và kính tái chế cho xây dựng đường. Mục tiêu của nghiên cứu này là đánh giá hiệu
suất của các hỗn hợp bao gồm kính tái chế (RG), gạch nghiền (CB) và cốt liệu bê
tông tái chế (RCA) dưới các điều kiện giao thông khác nhau. Việc đánh giá này ... hiện toàn bộ
Ensuring high-quality fill compaction is crucial for the stability and longevity
of infrastructures and affects the sustainability of urban infrastructure
networks. The purpose of this paper is to provide a refined analysis and insight
understanding of the current practice, limitations, challenges, and future
development trends of compaction methods from the perspective of the development
stage. T... hiện toàn bộ
The frequent occurrence of building collapse accidents not only causes
significant casualties, but also jeopardizes local economies. This paper adopts
a combinatory assessment approach to showcase the lessons learned from a recent
building collapse in Changsha, China. The proposed approach blends the system
thinking approach and strategic environmental assessment (SEA) model. It
delineates the cau... hiện toàn bộ
Wind-driven sand erosion is the leading primary reason of earth deterioration in
dry lands and a major global issue. Desert dust emissions and topsoil
degradation caused by wind pose a global danger to the ecosystem, economy, and
individual health. The aim of the current study is to critically analyze the
different types of biopolymers and their interaction mechanism with sands for
desert sand sta... hiện toàn bộ
Hirofumi Usui, Donzala David Some, Mathiro José Sindete, Takenori Hino
In this study, we investigated the application of the deep mixing method (DMM)
to cohesive soil in the Saga Lowland of Kyushu, Japan. The study focused on
examining three types of water-cement ratio (W/C) conditions, with a constant
addition of cement-based binder (C). Due to the soft clay nature of the Saga
Lowland, frequent ground settlement and deformation occur, necessitating
measures to preve... hiện toàn bộ
Constructing sustainable cities for the future usually encounters some
challenges such as reducing the environmental footprint through using
eco-friendly materials. Coarse recycled aggregate retrieved from demolished
concrete structures is considered one of the eco-friendly building materials.
This study aims to investigate the impact of strengthened recycled aggregate
with pozzolan slurry on the ... hiện toàn bộ
A detailed investigation was conducted to analyse the mechanical and durability
features of a mixture of binary cement concrete modified with nanomaterials. In
the context of the concrete matrix, the substitution of fractional cement
content was carried out using Nano silica (NS) at concentrations of 1%, 2%, and
3%. Four distinct cementitious blends were subjected to a comprehensive match of
tests... hiện toàn bộ
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